public class arry2 {
    public static void main(String[] args) {
        int[] arr ={1,2,3,4,5,6,7,8,9,10};
        int num = 0;
        for (int i = 0; i < arr.length; i++) {
            if(arr[i] % 3 == 0){
                num++;
            }
        }
        System.out.println(num);
    }
}
